125144514323543 has 16 divisors (see below), whose sum is σ = 149036938614816. Its totient is φ = 103577795159040.

The previous prime is 125144514323503. The next prime is 125144514323557. The reversal of 125144514323543 is 345323415441521.

It is a cyclic number.

It is not a de Polignac number, because 125144514323543 - 2¹⁰ = 125144514322519 is a prime.

It is a super-2 number, since 2×125144514323543² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125144514323503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5994074930 + ... + 5994095807.

It is an arithmetic number, because the mean of its divisors is an integer number (9314808663426).

Almost surely, 2^{125144514323543} is an apocalyptic number.

125144514323543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125144514323543 is a deficient number, since it is larger than the sum of its proper divisors (23892424291273).

125144514323543 is a wasteful number, since it uses less digits than its factorization.

125144514323543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988170834.

The product of its digits is 3456000, while the sum is 47.

The spelling of 125144514323543 in words is "one hundred twenty-five trillion, one hundred forty-four billion, five hundred fourteen million, three hundred twenty-three thousand, five hundred forty-three".